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/*
* Copyright (c) 2025 Ian Marco Moffett and L5 engineers
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _NP_AST_H_
#define _NP_AST_H_ 1
#include <sys/cdefs.h>
#include <np/lex.h>
#include <os/np.h>
#include <lib/ptrbox.h>
#include <string.h>
/*
* Valid program integer types
*/
typedef enum {
AST_BAD_TYPE,
AST_U8,
AST_U16,
AST_U32,
AST_U64,
AST_I8,
AST_I16,
AST_I32,
AST_I64
} ast_itype_t;
/*
* AST node type
*/
typedef enum {
AT_BAD_OBJTYPE, /* Bad */
AST_PROC, /* Procedure */
} ast_type_t;
/*
* Represents an AST node
*
* @ident: Identifier
* @num_type: Integer type
* @type: Object type
* @left: Left node
* @right: Right node
*/
struct ast_node {
char *ident;
ast_itype_t num_type;
ast_type_t type;
struct ast_node *left;
struct ast_node *right;
};
__always_inline static inline void *
ast_alloc(struct np_work *work)
{
struct ast_node *np;
np = ptrbox_alloc(sizeof(*np), work->work_mem);
if (np != NULL) {
memset(np, 0, sizeof(*np));
}
return np;
}
#endif /* !_NP_AST_H_ */
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